CN202177034U - Light source diffusion structure - Google Patents
Light source diffusion structure Download PDFInfo
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- CN202177034U CN202177034U CN2011202956721U CN201120295672U CN202177034U CN 202177034 U CN202177034 U CN 202177034U CN 2011202956721 U CN2011202956721 U CN 2011202956721U CN 201120295672 U CN201120295672 U CN 201120295672U CN 202177034 U CN202177034 U CN 202177034U
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- light
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- light source
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- curved surface
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Abstract
The utility model relates to a light source diffusion structure, which is applicable to a light source. The light source gives out a ray of light. The light source diffusion structure comprises a light guiding assembly and a plurality of light diffusion bodies. The light guiding assembly is provided with a light emitting surface, the plurality of light diffusion bodies are disposed on the light emitting surface, and each light diffusion body is provided with a diffusion curved surface or a plurality of diffusion curved surfaces are directly arranged on the light emitting surface. The curvature of each diffusion curved surface ranges from 0.4 to 2.5. The ray of light penetrates through the light guiding assembly and is diffused and given out through the diffusion curved surfaces, and therefore the ray of light can be diffused more evenly.
Description
Technical field:
The utility model is about a kind of light source diffusion structure, particularly a kind of light source diffusion structure with diffusion curved surface.
Background technology:
Lighting apparatus is indispensable among the human lives, since bulb by after novel, People more and more relies on various lighting apparatus.Along with the development of technology, have better illumination and more the illuminations of power saving also arise at the historic moment gradually.At present the most often the lighting source of use just belong to light emitting diode (light emitting diode, LED).
Light emitting diode has multiple advantages such as power saving, durable, lower calorific value and environmental protection; The light source that is produced is a cold light source; Have long service life, low power consumption and do not have the characteristics that produce ultraviolet radiation; Therefore extensively be applied to each generic category, especially advocating the advocating under the demand of " carbon reduction ", the power saving superiority of light emitting diode just begins to come into one's own.In fossil energy shortage and environmental consciousness surging today day by day, kind has been all circles' focuses deeply concerned with light emitting diode, and therefore in the streets various light emitting diode lighting equipments are weeded out the old and bring forth the new like the mushrooms after rain.
Yet; Light emitting diode is because light-emitting area is little; The light source convergence that is sent is a point-like light source, so when light emitting diode was exported as general light source, its light source had the inhomogeneous situation of output and takes place; Especially need in short distance, just reach the application of the light source of uniform luminance, the use of light emitting diode is restricted.Therefore, existing at present use one leaded light component is converged in the certain area coverage the inhomogeneous light output of light emitting diode with ray guidance and diffusion with light emitting diode, makes it reach light source output comparatively uniformly in the regional area.
See also Figure 1A, be the structural representation of the leaded light component of known techniques.The leaded light component 100 of convention comprises a light conductor 110 and a transparent substrates 120, and transparent substrates 120 is located at light conductor 110 tops, and light conductor 110 is the cone of handstand, and 130 of light sources are in light conductor 110 lower inner.Shown in the 1st figure, when light source 130 was luminous, the light of light source 130 will be via light conductor 110 leaded light to transparent substrates 120 upwards, and by the cone shape of light conductor 110 light was outwards dispersed, and so then let the light diffusion profile of light source 130.
Please consult Figure 1B and Fig. 1 C in the lump, its light shape that is respectively distribution curve flux figure and leaded light component behind leaded light component installing light source of known techniques is schemed.Shown in Figure 1B, center light illumination is about 1047.6 lumens (lumen), and the distribution of light of light source 130 is among light conductor 110 outside the mind-set in the scope of 20 degree.And the curve by 1B figure can be learnt; Convention leaded light component 100 can let light source 130 major parts be distributed in the center of leaded light component 100; So can be found out by Fig. 1 C, illuminance is got very fast by the outer brightness decay of mind-set among the leaded light component 100, thus convention can not be effectively equal light.
In addition, the mode of utilizing leaded light component 100 that light emitting source 130 can comparatively evenly be exported, its light source 130 still need have enough distances with exposure face or object, can reach the preferable even purpose of light.If light source 130 from the distance of exposure face or object very in short-term, still have tangible light source 130 non-uniform phenomenons, so utilize 100 pairs of light emitting diodes of leaded light component to carry out improved optics, still can't solve the inhomogeneous problem of light branch completely.
The utility model content:
In view of above problem, the utility model provides a kind of light source diffusion structure, can be uniformly the light of light source be distributed uniformly, so can solve the problem that known techniques is derived.
The utility model discloses a kind of light source diffusion structure, is applicable to a light source, and light source has sent a light; The light source diffusion structure comprises a leaded light component and a plurality of light diffusion body, and leaded light component has an exiting surface, and a plurality of light diffusion bodies are arranged on the exiting surface; Each light diffusion body has a diffusion curved surface; The curvature of diffusion curved surface is between 0.4 to 2.5, and the light that light source sends passes leaded light component and gets into light diffusion body, and light sends via the diffusion curved surface diffusion of light diffusion body.
The utility model discloses another kind of light source diffusion structure; Be applicable to a light source, light source has sent a light, and the light source diffusion structure comprises a leaded light component and a plurality of diffusion curved surface; Leaded light component has an exiting surface; The diffusion curved surface is arranged on the exiting surface, and the curvature of diffusion curved surface is between 0.4 to 2.5, and the light that light source sends passes leaded light component and gets into the diffusion of diffusion curved surface and send.
The effect of the utility model is, by the design of a plurality of diffusion curved surfaces, lets the light of light source spread more uniformly, and the problem inhomogeneous with the distribution of light in lucifuge source produces.The utility model lets the curvature that spreads curved surface between 0.4 to 2.5, so can let the light diffusion of light source more even.
About the characteristic of the utility model, the real work and effect, cooperate the graphic most preferred embodiment of doing to specify as follows now.
Description of drawings:
Figure 1A is the structural representation of the leaded light component of known techniques.
Figure 1B is the distribution curve flux figure after the leaded light component of known techniques is installed light source.
Fig. 1 C is the light shape figure after the leaded light component of known techniques is installed light source.
Fig. 2 A is the structural representation of the light source diffusion structure of the utility model first preferred embodiment.
Fig. 2 B is the partial sectional view of Fig. 2 A.
Fig. 2 C is the partial enlarged drawing of Fig. 2 A.
Fig. 3 is the path profile of the light of light source diffusion structure.
Fig. 4 is the distribution curve flux figure after the leaded light component of the utility model first preferred embodiment is installed light source.
Fig. 5 is the light shape figure after the leaded light component of the utility model first preferred embodiment is installed light source.
Fig. 6 is the structural representation of the light guide structure of the utility model one second preferred embodiment.
Fig. 7 is the structural representation of the leaded light component of the utility model the 3rd preferred embodiment.
Fig. 8 is the structural representation of the light source diffusion structure of the utility model the 4th preferred embodiment.
The specific embodiment:
Please consult Fig. 2 A, Fig. 2 B, Fig. 2 C and Fig. 3 in the lump, it is structural representation, partial sectional view, an and partial enlarged drawing of creating the light source diffusion structure of first preferred embodiment for this.
The light source diffusion structure of the utility model first preferred embodiment is used for the light diffusion with a light source 210.The light source diffusion structure comprises a leaded light component 220 and a plurality of light diffusion bodies 230, and leaded light component 220 is located at light source 210, and light diffusion body 230 is located at leaded light component 220.Leaded light component 220 has an exiting surface 221, and a plurality of light diffusion bodies 230 are arranged on the exiting surface 221, and each light diffusion body 230 has a diffusion curved surface 232, and the curvature of diffusion curved surface 232 is between 0.4 to 2.5.
The light diffusion body 230 of the utility model is just as lens; When light source 210 was luminous, the light that light source 210 sends passed leaded light component 220 and gets into light diffusion body 230, and light spreads after via diffusion curved surface 232 optically focused of light diffusion body 230 again and sends; Shown in Fig. 2 B; Make light pass diffusion curved surface 232 back converges at diffusion curved surface 232 on diffusion curved surface 232 focal positions, light via the focal position to external diffusion, produce a plurality of beam split to external diffusion; These beam split with the diffusion curved surface 232 the center of curvature to external diffusion, so the utility model can produce a plurality of beam split to reach the purpose of even distribution with the light with light source 210 by light diffusion body 230.
The shape of the light diffusion body 230 of the utility model can be polygon, for example geometries such as pentagon, hexagon, octagon.Preferably, the light diffusion body 230 of present embodiment be shaped as regular hexagon, but do not exceed with the embodiment that the utility model was disclosed.The light diffusion body 230 of present embodiment regular hexagon structural strong, just as honeycomb, present embodiment selects for use positive routine limit shape can increase the structural strength of light diffusion body 230, receives the invasion and attack of external force and damages to reduce light diffusion body 230.
Spacing d (shown in Fig. 2 C) between the relative dual side-edge of the light diffusion body 230 of present embodiment is approximately between 0.3 millimeter to 1.5 millimeters; Wherein preferable spacing d is 0.9 millimeter; But not as limit; Be familiar with this operator, can be according to the actual design demand, and corresponding the change between the present embodiment apart from being 1 millimeter waited other length between being located in 0.3 millimeter to 1.5 millimeters.
When light diffusion body 230 is arranged at 220 last times of leaded light component; Be located at leaded light component 220 just as a plurality of tiny sites; And spread after can the light of light source 210 being subdivided into a plurality of beam split these sites again, just as letting light source 210 produce more how tiny spot light 210, is that the center spreads out with light diffusion body 230 again; So more can let light spread uniformly, and can avoid the inhomogeneous problem of distribution of light.So the spacing size between the relative dual side-edge of light diffusion body 230 is the uniformity that can influence distribution of light.
The leaded light component 220 of the utility model comprises a light conductor 222 and a transparent substrates 224; Light conductor 222 is located at light source 210; Transparent substrates 224 is located at light conductor 222, and light diffusion body 230 is located at transparent substrates 224, makes transparent substrates 224 between light conductor 222 and light diffusion body 230.The light conductor 222 of present embodiment is in order to the ray guidance with light source 210, and transparent substrates 224 is gone out in order to the divergence of beam that light conductor 222 is guided.
The light conductor 222 of present embodiment is a vertebral body, and light source 210 is arranged at light conductor 222 and supports end, light source 210 is set for ease, so present embodiment is more established a storage tank 223 in light conductor 222 bottoms.So when the light of light source 210 during, because light conductor 222 dual-sides are outward-dipping, so light will be via the inclined lateral side of light conductor 222 to external diffusion by light conductor 222 guidings.Can find out by Fig. 3, when the light of light source 210 reaches transparent substrates 224 on ground,, do diffusion for the second time by light conductor 222 more afterwards by 222 primary diffusions of light conductor.So light conductor 222 can increase the diffusion effect of the light of light source 210, to let light distribute more uniformly.
See also Fig. 4 and Fig. 5, it is that the light shape of distribution curve flux figure and leaded light source part behind the leaded light component installing light source of the utility model first preferred embodiment is schemed.The utility model of the structure of the light source used in the Shu diffusion light source 210, its light irradiation range of about 210 light guide body 222 at the center outward 30 degrees range, and the center is 520.62 candlelight illumination, knowledge about learning center half brightness .
Hence one can see that, and the light of the light source diffusion structure core of the utility model outwards shifts, and therefore makes range of exposures be expanded to 30 degree, so the light source diffusion structure of the utility model can effectively let light source 210 with comparatively evenly output.
See also Fig. 6, it is the structural representation of the light guide structure of the utility model one second preferred embodiment.As shown in the figure; The present embodiment and first embodiment are all and comprise leaded light component 220 and diffusion curved surface 232; And leaded light component 220 all is located at light source 210, and the curvature of diffusion curved surface 232 is also between 0.4 to 2.5, and the relative dual side-edge of diffusion curved surface 232 is also between 0.3 millimeter to 1.5 millimeters.Yet what second embodiment was different from that first embodiment is to spread curved surface 232 is provided with the position difference.The diffusion curved surface 232 of first embodiment is located at exiting surface 221 tops, makes diffusion curved surface 232 protrude in leaded light component 220.Second embodiment is exiting surface 221 belows of diffusion curved surface 232 being located at leaded light component 220, and diffusion curved surface 232 is submerged in leaded light component 220.
See also Fig. 7 and Fig. 8, it is the structural representation of light source diffusion structure of structural representation and the 4th preferred embodiment of the leaded light component of the utility model the 3rd preferred embodiment.As shown in the figure, the 3rd embodiment and the 4th embodiment and first embodiment in comparison, its difference is the difference of leaded light component 220.
The leaded light component 220 that the leaded light component 220 of first embodiment comprises a light conductor 222 and a transparent substrates 224, the three embodiment only comprises a light conductor 222, and light diffusion body 230 or diffusion curved surface 232 then are located at light conductor 222 tops.The leaded light component 220 of the 4th embodiment only comprises a transparent substrates 224, and light diffusion body 230 or diffusion curved surface 232 then are located at transparent substrates 224 tops.The leaded light component 220 of the 3rd embodiment and the 4th embodiment, the overall volume that can dwindle leaded light component 220 to reduce cost of manufacture, also can reduce the decay of luminous intensity.
Though the embodiment of the utility model discloses as stated; So be not in order to limit this creation; Anyly have the knack of related art techniques person; In spirit that does not break away from the utility model and scope, make the said shape of application range, structure, characteristic and quantity when can doing a little change according to utility model such as, so the scope of patent protection of this creation utility model must be looked the appended claim person of defining of this specification and is as the criterion.
Claims (12)
1. a light source diffusion structure is applicable to a light source, and this light source sent a light, and this light source diffusion structure comprises: a leaded light component has an exiting surface; And
A plurality of light diffusion bodies; Be arranged on this exiting surface; Each this light diffusion body has a diffusion curved surface; The curvature of these diffusion curved surfaces is between 0.4 to 2.5, and this light that this light source sends passes this leaded light component and gets into this light diffusion body, and this light sends via these diffusion curved surface diffusions of these light diffusion bodies.
2. like the 1st said light source diffusion structure of request terms, wherein this leaded light component comprises: a light conductor, be located at this light source; And a transparent substrates, be located at this light conductor, these light diffusion bodies are located at this transparent substrates, and this transparent substrates is between this light conductor and these light diffusion bodies.
3. like the 1st said light source diffusion structure of request terms, wherein this leaded light component is provided with a storage tank, and this light source is located at this storage tank.
4. like the 1st said light source diffusion structure of request terms, wherein this light diffusion body is shaped as a polygon.
5. like the 4th said light source diffusion structure of request terms, wherein this light diffusion body is shaped as a regular hexagon.
6. like the 5th said light source diffusion structure of request terms, wherein the relative dual side-edge of this light diffusion body is between 0.3 millimeter to 1.5 millimeters.
7. a light source diffusion structure is applicable to a light source, and this light source sent a light, and this light source diffusion structure comprises:
One leaded light component has an exiting surface; And a plurality of diffusion curved surfaces, being arranged on this exiting surface, the curvature of these diffusion curved surfaces is between 0.4 to 2.5, and this light that this light source sends passes these diffusion curved surfaces diffusions of this leaded light component entering and sends.
8. like the 7th said light source diffusion structure of request terms, wherein this leaded light component comprises: a light conductor, be located at this light source; And a transparent substrates, be located at this light conductor, these diffusion curved surfaces are located at this transparent substrates, and this transparent substrates spreads between the curved surface at this light conductor and these.
9. like the 7th said light source diffusion structure of request terms, wherein this leaded light component is provided with a storage tank, and this light source is located at this storage tank.
10. like the 7th said light source diffusion structure of request terms, wherein this diffusion curved surface is shaped as a polygon.
11. like the 10th said light source diffusion structure of request terms, wherein this diffusion curved surface is shaped as a regular hexagon.
12. like the 11st said light source diffusion structure of request terms, the relative dual side-edge that wherein should spread curved surface is between 0.3 millimeter to 1.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202956721U CN202177034U (en) | 2011-08-16 | 2011-08-16 | Light source diffusion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202956721U CN202177034U (en) | 2011-08-16 | 2011-08-16 | Light source diffusion structure |
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| Publication Number | Publication Date |
|---|---|
| CN202177034U true CN202177034U (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202956721U Expired - Fee Related CN202177034U (en) | 2011-08-16 | 2011-08-16 | Light source diffusion structure |
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| Country | Link |
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| CN (1) | CN202177034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297383A (en) * | 2011-08-16 | 2011-12-28 | 东莞雷笛克光学有限公司 | Light source diffusing structure |
-
2011
- 2011-08-16 CN CN2011202956721U patent/CN202177034U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297383A (en) * | 2011-08-16 | 2011-12-28 | 东莞雷笛克光学有限公司 | Light source diffusing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Hengli Town Tian Keng Industrial Zone 523478 in Guangdong city of Dongguan province No. 5 Patentee after: Dongguan Ledlink Optics, Inc. Address before: 523000 Guangdong province Dongguan City Hengli Town Xicheng Industrial District building B13 Patentee before: Dongguan Ledlink Optics, Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20150816 |
|
| EXPY | Termination of patent right or utility model |